44caliber | f0957b9d77cd4228a0cf2ed601b6392048b299cfb4096382638066b637a4127d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 19:50

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General

Target

a12988c8c14e8f9738b5a19df4f2fb68.exe
Size

1.7MB
MD5

a12988c8c14e8f9738b5a19df4f2fb68
SHA1

20f006f38129e1ea031566d61b5b45c292e4913f
SHA256

f0957b9d77cd4228a0cf2ed601b6392048b299cfb4096382638066b637a4127d
SHA512

943193e44c9c46e560e7df4487a39e4e649a19b51574ccf58f3fb31c54e492e41aac4d516fd299611d7f30b6d34166625e0a66b7a05c6020ee32257a06d32838
SSDEEP

49152:FVKNPoyN4N09vO/zyAtr3ziUx3IsggbU/COKqt:FV0taCGbyAlx3dK/JZ

Score

10^/10

44caliber blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot1815441105:AAFl78w0wG00_bQG4toKipjs8EBYjH37y6o/sendMessage?chat_id=548838106

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 freegeoip.app
3 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

a12988c8c14e8f9738b5a19df4f2fb68.exe

pid process

2380 a12988c8c14e8f9738b5a19df4f2fb68.exe
2380 a12988c8c14e8f9738b5a19df4f2fb68.exe

flow	ioc
2	freegeoip.app
3	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a12988c8c14e8f9738b5a19df4f2fb68.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	a12988c8c14e8f9738b5a19df4f2fb68.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a12988c8c14e8f9738b5a19df4f2fb68.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a12988c8c14e8f9738b5a19df4f2fb68.exe

pid	process
2380	a12988c8c14e8f9738b5a19df4f2fb68.exe
2380	a12988c8c14e8f9738b5a19df4f2fb68.exe
2380	a12988c8c14e8f9738b5a19df4f2fb68.exe
2380	a12988c8c14e8f9738b5a19df4f2fb68.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a12988c8c14e8f9738b5a19df4f2fb68.exe

description pid process

Token: SeDebugPrivilege 2380 a12988c8c14e8f9738b5a19df4f2fb68.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a12988c8c14e8f9738b5a19df4f2fb68.exe

pid process

2380 a12988c8c14e8f9738b5a19df4f2fb68.exe

description	pid	process
Token: SeDebugPrivilege	2380	a12988c8c14e8f9738b5a19df4f2fb68.exe

C:\Users\Admin\AppData\Local\Temp\a12988c8c14e8f9738b5a19df4f2fb68.exe
"C:\Users\Admin\AppData\Local\Temp\a12988c8c14e8f9738b5a19df4f2fb68.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2380-0-0x0000000000190000-0x0000000000672000-memory.dmp

Filesize
4.9MB

Download
memory/2380-2-0x0000000000190000-0x0000000000672000-memory.dmp

Filesize
4.9MB

Download
memory/2380-3-0x0000000000190000-0x0000000000672000-memory.dmp

Filesize
4.9MB

Download
memory/2380-1-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-4-0x00000000058A0000-0x00000000058E0000-memory.dmp

Filesize
256KB

Download
memory/2380-80-0x0000000002630000-0x0000000002638000-memory.dmp

Filesize
32KB

Download
memory/2380-79-0x0000000002620000-0x000000000262A000-memory.dmp

Filesize
40KB

Download
memory/2380-83-0x0000000000190000-0x0000000000672000-memory.dmp

Filesize
4.9MB

Download
memory/2380-84-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download